Telephone handset housing



FIG. 1 is a front, top, and right side perspective view showing my new design for a telephone handset housing;

FIG. 2 is a bottom, rear and left side plan view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a left elevational view thereof. 

The ornamental design for a telephone handset housing, as shown and described. 